参数资料
型号: SYM53C180I2
厂商: LSI CORP
元件分类: 总线控制器
英文描述: SCSI BUS CONTROLLER, PBGA192
封装: 23 X 23 MM, 1.27 MM PITCH, PLASTIC, BGA-192
文件页数: 36/78页
文件大小: 1073K
代理商: SYM53C180I2
Electrical Characteristics
3-7
3.2 Electrical Characteristics
This section species the DC and AC electrical characteristics of the
SYM53C180. These electrical characteristics are listed in four
categories:
Table 3.4
Power and Ground Pins
Power and Ground
Pin
Type
Description
VDDSCSI
C5, C9, C13, E3, E15, J3,
J15, N3, N15, R5, R9, R13
I
Power supplies to the SCSI bus I/O pins.
VDDCORE
B8, K3, K15, U8
I
Power supplies to the CORE logic.
VDDIO
A2
I
Power supplies to the I/O logic.
VSS
C7, C11, G3, G7, G8, G9,
G10, G11, G15, H7, H8,
H9, H10, H11, J7, J8, J10,
J11, K7, K8, K9, K10, K11,
L3, L7, L8, L9, L10, L11,
L15, R7, R11
I
Ground ring.
NC
A1, A3, A4, A5, A17, B3,
B4, B7, C4, C6, C14, C15,
D3, F3, F15, H15, L2, P15,
R4, R10, R12, T1, U1, U6,
U16, U17
N/A
No Connections.
Note:
All VDD pins must be supplied 3.3 V. The SYM53C180 output signals drive 3.3 V.
If the power supplies to the VDDIO and VDDCORE pins in a chip testing environment are separated,
either power up the pins simultaneously or power up VDDCORE before VDDIO. The VDDIO pin must
always power down before the VDDCORE pin.
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